MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, many pointing to disposable hosting, suggesting a link farm or phishing operation. The presence of an embedded URL and the PDF_SEO_LINK_FARM heuristic further support this, indicating the document's primary purpose is to redirect users to potentially harmful external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://midufefew.ru/123?utm_term=bimanual+coordination+stability PDF link annotation
- https://cdn-cms.f-static.net/uploads/4490140/normal_603ceed13e1e3.pdfIn PDF document text
- https://repitosa.weebly.com/uploads/1/3/2/6/132681506/beketejuzexini.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4392857/normal_5fdf30dbe4936.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4506131/normal_6023aaa19030b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4461525/normal_5fdfa8ee84e80.pdfIn PDF document text
- https://xubebivox.weebly.com/uploads/1/3/5/3/135392957/negotuz.pdfIn PDF document text
- https://fukagopesuzidad.weebly.com/uploads/1/3/1/3/131381553/zebuse-laselifut.pdfIn PDF document text
- https://jimekomu.weebly.com/uploads/1/3/1/4/131453536/losewatu.pdfIn PDF document text
- https://gurovepulebeguj.weebly.com/uploads/1/3/1/1/131163897/3465030.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380072/normal_6021d02f1d6d4.pdfIn PDF document text
- https://todewuxolu.weebly.com/uploads/1/3/4/6/134616468/8e22120af9d3813.pdfIn PDF document text
- https://jutovadisew.weebly.com/uploads/1/3/4/7/134720627/genijuxadirani.pdfIn PDF document text
- https://fukuzodi.weebly.com/uploads/1/3/5/3/135329923/numubezixoworab.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- http://supatibu.pbworks.com/w/file/fetch/144418026/repabavigikubilesi.pdfIn PDF document text
- http://pikalunik.pbworks.com/w/file/fetch/144742479/pre_employment_medical_check_up_policy.pdfIn PDF document text
- http://sagidetubi.pbworks.com/w/file/fetch/144588780/97083067214.pdfIn PDF document text
- http://jobagej.pbworks.com/w/file/fetch/144668724/bafadevadasopuvovitur.pdfIn PDF document text
- http://gemometis.pbworks.com/w/file/fetch/144823017/how_to_cure_intermittent_explosive_disorder.pdfIn PDF document text
- http://kesowununak.pbworks.com/w/file/fetch/144646866/jekurigi.pdfIn PDF document text
- http://fijinatuzut.pbworks.com/f/non_chronological_report_introduction_examples_ks2.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001a76e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A76E | 5140 bytes |
SHA-256: 78edb5d34a09a9c0fbde1439f8e4b5517b74cb4eddd1045ff5e02c7ec9548892 |
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font_01_sfnt_off0001b8b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B8B6 | 13132 bytes |
SHA-256: a4f4c2a4e58a874d485572b70f260d00a22c69ae36ef83901ac82944e9203133 |
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font_02_sfnt_off0001e34e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1E34E | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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